For researchers and industrial chemists, a thorough understanding of a chemical compound's properties is fundamental to its effective and safe utilization. 1,2,3,4,6-O-Pentagalloylglucose (CAS 14937-32-7), a prominent member of the gallotannin family, possesses distinct chemical characteristics that dictate its storage, handling, and application. As a dedicated manufacturer and supplier of high-purity fine chemicals in China, we aim to provide clarity on these crucial aspects.

Key Chemical Properties:

1,2,3,4,6-O-Pentagalloylglucose is typically presented as a yellow powder. Its molecular formula is C41H32O26, with a molecular weight of approximately 940.68 g/mol. The compound's structure, featuring multiple phenolic hydroxyl groups, contributes to its high polarity and solubility in polar organic solvents such as DMSO, pyridine, methanol, and ethanol. This solubility profile is critical for its use in various experimental procedures and formulations.

While its melting point is reported to be above 250°C with decomposition, its stability requires careful management. The compound is described as hygroscopic, meaning it can absorb moisture from the atmosphere. This property necessitates storage in tightly sealed containers to prevent degradation and maintain its purity and efficacy. The presence of numerous ester linkages also suggests potential susceptibility to hydrolysis under extreme pH conditions or prolonged exposure to moisture.

Optimal Storage and Handling Practices:

To ensure the longevity and integrity of your 1,2,3,4,6-O-Pentagalloylglucose, adhering to specific storage and handling guidelines is paramount:

  • Storage Temperature: For short-term storage (days to weeks), keeping the product at 2-8°C is recommended. For long-term preservation (months to years), storage at -20°C or below is advised. Always store in a cool, dry environment.
  • Container Integrity: Ensure vials are kept tightly sealed after each use to protect against moisture and air.
  • Handling Precautions: When working with the powder, it is advisable to use appropriate personal protective equipment (PPE), such as gloves and eye protection, to avoid contact. Avoid generating dust and ensure adequate ventilation in your workspace.
  • Preparation of Solutions: For experimental use, it is best to prepare solutions on the same day. If stock solutions are necessary, aliquot them into tightly sealed vials and store them appropriately. Allow the product to equilibrate to room temperature for at least 1 hour before opening the vial.

As a reliable manufacturer and supplier of CAS 14937-32-7 from China, we are committed to providing not only a high-quality product but also the necessary guidance for its optimal use. If you are looking to purchase pentagalloylglucose for your research or industrial needs, understanding these chemical properties will ensure you get the best performance from our material. Contact us for any further inquiries or to place an order.